1. (18 points) You prepare 350.0mL of a 1.78M aqueous solution of calcium nitrate. a. calculate the mass of solid calcium nitrate needed to prepare the solution. b. you mix 400.0mL of 1.00M solution of sodium bydroxide with your calcium nitrate solution. Write the balanced chemical equation for the reaction that takes place when the two aqueous solutions are combined. c. calculate the moles of the precipitate that were formed in the reaction